解答
the sum of 3 times a number and 7 equals 9
解答
求解步骤
Represent the number with
A.T.Q.:
求解
流行的例子
twice a number is 26the product of two consecutive odd numbers is 10 more than the square of the smaller number. FIND THE SMALLER NUMBERMaria is buying a new set of golf clubs. The clubs are marked at 950, but if Maria pays cash, the shop will take 10% off the marked price. How much will the clubs cost if Maria pays cash3 consecutive integers add up to 51. What are these integers ?the 差集 of four times a number and seven is ten